.sample-tutorial {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.sample-spreadsheets {
   width: calc(100% - 280px);
   height: 100%;
   overflow: hidden;
   float: left;
}

.options-container {
   float: right;
   width: 280px;
   padding: 12px;
   height: 100%;
   box-sizing: border-box;
   background: #fbfbfb;
   overflow: auto;
}

.option-row {
   font-size: 14px;
   padding: 5px;
   margin-top: 10px;
}

input {
   padding: 8px 14px;
   display: block;
}
body {
   position: absolute;
   top: 0;
   bottom: 0;
   left: 0;
   right: 0;
}